LXR linux/tools/firewire/nosy-dump.h

   1#ifndef __nosy_dump_h__
   2#define __nosy_dump_h__
   3
   4#define array_length(array) (sizeof(array) / sizeof(array[0]))
   5
   6#define ACK_NO_ACK   0x0
   7#define ACK_DONE(a)  ((a >> 2) == 0)
   8#define ACK_BUSY(a)  ((a >> 2) == 1)
   9#define ACK_ERROR(a) ((a >> 2) == 3)
  10
  11#include <stdint.h>
  12
  13struct phy_packet {
  14        uint32_t timestamp;
  15        union {
  16                struct {
  17                        uint32_t zero:24;
  18                        uint32_t phy_id:6;
  19                        uint32_t identifier:2;
  20                } common, link_on;
  21
  22                struct {
  23                        uint32_t zero:16;
  24                        uint32_t gap_count:6;
  25                        uint32_t set_gap_count:1;
  26                        uint32_t set_root:1;
  27                        uint32_t root_id:6;
  28                        uint32_t identifier:2;
  29                } phy_config;
  30
  31                struct {
  32                        uint32_t more_packets:1;
  33                        uint32_t initiated_reset:1;
  34                        uint32_t port2:2;
  35                        uint32_t port1:2;
  36                        uint32_t port0:2;
  37                        uint32_t power_class:3;
  38                        uint32_t contender:1;
  39                        uint32_t phy_delay:2;
  40                        uint32_t phy_speed:2;
  41                        uint32_t gap_count:6;
  42                        uint32_t link_active:1;
  43                        uint32_t extended:1;
  44                        uint32_t phy_id:6;
  45                        uint32_t identifier:2;
  46                } self_id;
  47
  48                struct {
  49                        uint32_t more_packets:1;
  50                        uint32_t reserved1:1;
  51                        uint32_t porth:2;
  52                        uint32_t portg:2;
  53                        uint32_t portf:2;
  54                        uint32_t porte:2;
  55                        uint32_t portd:2;
  56                        uint32_t portc:2;
  57                        uint32_t portb:2;
  58                        uint32_t porta:2;
  59                        uint32_t reserved0:2;
  60                        uint32_t sequence:3;
  61                        uint32_t extended:1;
  62                        uint32_t phy_id:6;
  63                        uint32_t identifier:2;
  64                } ext_self_id;
  65        };
  66        uint32_t inverted;
  67        uint32_t ack;
  68};
  69
  70#define TCODE_PHY_PACKET 0x10
  71
  72#define PHY_PACKET_CONFIGURATION 0x00
  73#define PHY_PACKET_LINK_ON 0x01
  74#define PHY_PACKET_SELF_ID 0x02
  75
  76struct link_packet {
  77        uint32_t timestamp;
  78        union {
  79                struct {
  80                        uint32_t priority:4;
  81                        uint32_t tcode:4;
  82                        uint32_t rt:2;
  83                        uint32_t tlabel:6;
  84                        uint32_t destination:16;
  85
  86                        uint32_t offset_high:16;
  87                        uint32_t source:16;
  88
  89                        uint32_t offset_low;
  90                } common;
  91
  92                struct {
  93                        uint32_t common[3];
  94                        uint32_t crc;
  95                } read_quadlet;
  96
  97                struct {
  98                        uint32_t common[3];
  99                        uint32_t data;
 100                        uint32_t crc;
 101                } read_quadlet_response;
 102
 103                struct {
 104                        uint32_t common[3];
 105                        uint32_t extended_tcode:16;
 106                        uint32_t data_length:16;
 107                        uint32_t crc;
 108                } read_block;
 109
 110                struct {
 111                        uint32_t common[3];
 112                        uint32_t extended_tcode:16;
 113                        uint32_t data_length:16;
 114                        uint32_t crc;
 115                        uint32_t data[0];
 116                        /* crc and ack follows. */
 117                } read_block_response;
 118
 119                struct {
 120                        uint32_t common[3];
 121                        uint32_t data;
 122                        uint32_t crc;
 123                } write_quadlet;
 124
 125                struct {
 126                        uint32_t common[3];
 127                        uint32_t extended_tcode:16;
 128                        uint32_t data_length:16;
 129                        uint32_t crc;
 130                        uint32_t data[0];
 131                        /* crc and ack follows. */
 132                } write_block;
 133
 134                struct {
 135                        uint32_t common[3];
 136                        uint32_t crc;
 137                } write_response;
 138
 139                struct {
 140                        uint32_t common[3];
 141                        uint32_t data;
 142                        uint32_t crc;
 143                } cycle_start;
 144
 145                struct {
 146                        uint32_t sy:4;
 147                        uint32_t tcode:4;
 148                        uint32_t channel:6;
 149                        uint32_t tag:2;
 150                        uint32_t data_length:16;
 151
 152                        uint32_t crc;
 153                } iso_data;
 154        };
 155};
 156
 157struct subaction {
 158        uint32_t ack;
 159        size_t length;
 160        struct list link;
 161        struct link_packet packet;
 162};
 163
 164struct link_transaction {
 165        int request_node, response_node, tlabel;
 166        struct subaction *request, *response;
 167        struct list request_list, response_list;
 168        struct list link;
 169};
 170
 171int decode_fcp(struct link_transaction *t);
 172
 173#endif /* __nosy_dump_h__ */
 174